Ocimum tenuiflorum, commonly known as Holy Basil or Tulsi, is a perennial herb native to the Indian subcontinent and widespread throughout Southeast Asia. It thrives in open, sunny environments and is often found in disturbed areas, where it can grow on a range of soil types, provided they are moist and well-drained. Tulsi typically reaches a height of 30-60 cm (12-24 inches) and has hairy stems with green or purple leaves that are strongly aromatic. The plant produces small purple or white flowers on elongated racemes throughout the year, with a peak flowering season in late summer. These flowers are modest in size but are considered quite attractive due to their delicate appearance and fragrance.

Holy Basil is highly regarded for its spiritual and medicinal properties; it is considered sacred in Hindu belief and is often planted around temples and homes. In cultivation, it is valued for its adaptability, ease of growth, and aromatic leaves, which are used in teas, oils, and culinary dishes. It prefers full sun to part shade and requires regular watering, especially in hot, dry conditions. While it is not particular about soil type, it benefits from fertile, well-draining soil. Tulsi is susceptible to frost and should be protected or grown as an annual in regions with cold winters.CC BY-SA 4.0